CN206703381U - A kind of heating platform for cast polyurethane shaping - Google Patents
A kind of heating platform for cast polyurethane shaping Download PDFInfo
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- CN206703381U CN206703381U CN201720554733.9U CN201720554733U CN206703381U CN 206703381 U CN206703381 U CN 206703381U CN 201720554733 U CN201720554733 U CN 201720554733U CN 206703381 U CN206703381 U CN 206703381U
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Abstract
The utility model discloses a kind of heating platform for cast polyurethane shaping, including support, adiabatic foam and electric heating system；Adiabatic foam is placed on support, electric heating system includes cast aluminium heating plate and hot plate, cast aluminium heating plate is placed on adiabatic foam, hot plate is located above cast aluminium heating plate, heating platform for cast polyurethane shaping also includes the stay-warm case in rack-mount face, and cast aluminium heating plate and hot plate are respectively positioned in stay-warm case.Stay-warm case is set on support, forms a constant temperature keeping warmth space consistent with hot plate temperature, mould shrouds lower thermally equivalent in stay-warm case, urethane raw reacts synchronous under heat, and product quality is homogeneous, while stay-warm case internal-external heat exchange is low, thermal loss is few, and energy waste is few.Stay-warm case realizes folding by cylinder, and manufacturing cost is cheap, simple to operate.
Description
Technical field
It the utility model is related to platform-type technical field of heating.
Background technology
The raw material that production cast polyurethane product uses is liquid, and liquid charging stock passes through complexity in the mould of specific structure
Chemical reaction form the solid products of respective shapes, the chemical reaction needs at high temperature（General 110 ± 10 DEG C）It could send out
Raw, mould is generally stainless steel making, in light weight for small-sized cast polyurethane product because mould is small, can be placed on perseverance
Realize hot briquetting in warm baking oven, but for large-scale cast polyurethane product, because die size is big, weight weight, it is necessary to
Heating platform with larger bearing capacity realizes hot briquetting.The heating platform of existing cast polyurethane shaping mainly has
Two kinds：A kind of is the heating platform for being adapted to large-scale cast polyurethane shaping, and another kind is to be adapted to small-sized cast polyurethane to be molded
Constant temperature oven.It is adapted to the heating platform of large-scale cast polyurethane shaping, its heating platform is open type, equipped with urethane raw
Mould be placed in the thermal station with certain temperature, heat mould by heat exchange pattern, but mould in addition to bottom with
Cold air directly contacts, and causes mold portions temperature difference big, and mould inside urethane raw uneven heating is even, close to mould
The raw material of bottom chemically reacts soon at high temperature, and is chemically reacted at low temperature speed with the mould upper surface of air contact, raw material
Degree is slow, and W-response is asynchronous, and each position performance of product finally out is inconsistent, and mould is taller and bigger, and difference is more obvious.Cast
Polyurethane products only just have mechanical strength after raw material reaction certain time, now product ability depanning, in order to depanning,
It must assure that the raw material of mould upper surface is reacted to and also has mechanical strength, so considerably increases reaction of the product in mould
In the cycle, production efficiency is reduced, increase energy waste.It is adapted to the constant temperature oven of small-sized cast polyurethane shaping, equipped with poly- ammonia
The mould of ester raw material is placed on oven interior thermally equivalent, and W-response is synchronous, good product consistency, but empty inside constant temperature oven
Between it is small, be not suitable for large-scale cast polyurethane shaping.
In the prior art, the Chinese utility model of Application No. 201420243713.6 discloses a kind of for pouring into a mould poly- ammonia
The platform of ester, including metallic support, hot plate base, it is characterised in that：Also include drilling heat, hot plate levelness regulating device, heat
Heating system for oil, temperature control system；It is plane above described metallic support, four pillars are arranged at bottom, under each pillar
There is a height-adjustable base angle Level tune dress side；Described hot plate level(l)ing device is by more regulating bolt groups
Into above metallic support；Described hot plate floor installation is provided with thermal insulation board above on hot plate level(l)ing device；
Drilling hot plate is placed above in described thermal insulation board；The hot plate that drills is the thick carbon steel sheets of 70-100mm, and upper and lower surface passes through finishing
Work, internal more row hole drilling post-processings parallel in the width direction include an oil inlet, an oil return into multiple regions, each region
Mouth, a temperature-sensing probe mounting hole and several technical baffles；Described technical baffle is located at adjacent holes head or tail；It is described
Heating system of hot oil include deep fat heating tank, forced circulation pump, electric cabinet；Described temperature control system is visited including temperature control
Head, temperature control electricity box, temperature probe are placed in the temperature-sensing probe mounting hole of drilling hot plate.Application No. 200920233622.3
Chinese utility model discloses a kind of polyurethane screen heating platform, it contain support, flat board, electric heater, control device and
Case, electric heater are connected with control device, and also containing panel frame, the panel frame is by framework, longitudinal panel and horizontal panel structure
Into longitudinal panel and horizontal panel are fastened to each other in framework, the upper end of the framework of panel frame and longitudinal panel and horizontal panel
Upper end be each attached to the bottom surface of the flat board, the lower end of the framework of panel frame is fixed on described support, and the case is set
Put in panel frame surrounding and bottom surface.The platform will not be put down during heating and thermal insulation is carried out to polyurethane screen mould
Plate metaboly.Above prior art, is further improved.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of heating platform for cast polyurethane shaping,
It realizes the hot briquetting of large-scale casting type polyurethane product, makes the mould thermally equivalent for having poured into a mould urethane raw, shortens former
The reaction time of material in a mold.
The technical solution of the utility model is：A kind of heating platform for cast polyurethane shaping, including support, thermal insulation
Foam and electric heating system；Adiabatic foam is placed on support, and electric heating system includes cast aluminium heating plate and hot plate, cast aluminium heating
Plate is placed on adiabatic foam, and hot plate is located above cast aluminium heating plate, and the heating platform for cast polyurethane shaping also includes
The stay-warm case in rack-mount face, cast aluminium heating plate and hot plate are respectively positioned in stay-warm case.
The support includes flat board and the pillar being connected to below flat board；Stay-warm case is lower aperture, centre is empty length
Cube structure, stay-warm case are included positioned at the backboard at the back side, upper cover plate located above, the side plate positioned at two flank side surfaces and before being located at
The front apron in face；Backboard is fixed on support, and upper cover plate is hinged backboard, and front apron is hinged upper cover plate；Adiabatic foam is located at support
Between stay-warm case, backboard, upper cover plate, side plate, front apron and adiabatic foam can form a keeping warmth space.
Include two pieces of points of side plates per avris plate：It is fixed to divide side plate and be hinged fixation to divide the activity of side plate to divide side plate；It is fixed
Side plate is divided to be fixedly connected with backboard and support plate, activity divides side plate to be fixed on by latch on support plate, front apron bag
Include some pieces of point baffle plates of decile.
The described heating platform for being used for cast polyurethane shaping also includes atmospheric control；Atmospheric control includes
Cylinder, magnetic valve, operation handle and tracheae；Cylinder one end connecting bracket, other end connection stay-warm case upper cover plate；Support plate two
Side is respectively provided with a cylinder, and cylinder is connected by tracheae with magnetic valve；Operation handle connects magnetic valve.
Atmospheric control on electronic limiter, fixed stopping means, safe pole, support also including being provided with safety support
Bar supported hole；Electronic limiter and solenoid valve block are into linkage self-locking device, when stay-warm case reaches the maximum opening degree of design
When, magnetic valve can close automatically so that cylinder stops ejection；Fixed postive stop baffle is arranged on the backboard of stay-warm case, when electronic
When limiter fails, it can prevent stay-warm case upper cover plate from tumbling；Safe pole one end is fixed on stay-warm case upper cover plate, the other end is lived
It is dynamic to be connected at the safe pole supported hole of support.
Struts number is at least four, and parallels is provided with below each pillar.
The thickness of adiabatic foam is 5mm-20mm；At least one piece of cast aluminium heating plate, hot plate are 40-100mm thickness through nitriding
The 45# stainless steels of heat treatment；Several T-slots for being used for fixing mould are offered in hot plate circumferentially-spaced.
The described heating platform for being used for cast polyurethane shaping also includes temperature control system, and temperature control system includes
The temp controlled meter of temperature sensing head and connection temperature sensing head；Hot plate is drilling hot plate, and drilling hot plate is pacified provided with temperature sensing head
Hole is filled, temperature sensing head is inserted in temperature sensing head mounting hole.
The described heating platform for being used for cast polyurethane shaping can also use machine driven system or hydraulic control system generation
For atmospheric control.
The beneficial effects of the utility model：Stay-warm case is set on support, formd between stay-warm case and adiabatic foam
One constant temperature keeping warmth space consistent with hot plate temperature, mould shroud lower thermally equivalent in stay-warm case, and urethane raw is in heat
Lower reaction is synchronous, and product quality is homogeneous, while stay-warm case internal-external heat exchange is low, and thermal loss is few, and energy waste is few.Stay-warm case leads to
Cross cylinder and realize folding, manufacturing cost is cheap, simple to operate.Stay-warm case is by fixed and movable two kinds of heat insulating board groups
Into fixed thermal-insulating warming plate ensures stay-warm case and support firm and reliable connection.Movable heat insulating board realizes mould cohesion
The trackability of urethane raw material extent of reaction, and using dexterous convenient.
Brief description of the drawings
Fig. 1 is side structure schematic view of the present utility model（Stay-warm case is in open mode）；
Fig. 2 is backsight structural representation of the present utility model（Stay-warm case is in closure state）；
In figure：1. support, 2. parallels, 3. adiabatic foams, 4. backboards, 5. upper cover plates, 6. side plates, 7. front aprons, 8. fronts
Plate hinge, 9. latches, 10. cast aluminium heating plates, 11. hot plates, 12.T type grooves, 13. cylinders, 14. magnetic valves, 15. electronic limiters,
16. fix postive stop baffle, 17. safe poles, 18. safe pole supported holes, 19. operation handles, 20. tracheaes, 21. temperature sensings
Head, 22. temp controlled meters, 23. temperature sensing head mounting holes, 24. power distribution cabinets.
Embodiment
The heating platform that the utility model is used for cast polyurethane shaping includes support 1, parallels 2, adiabatic foam 3, insulation
Cover, atmospheric control, electric heating system.
Support 1 is welded by channel-section steel, needs to correct after welding, and without obvious deformation, support includes superposed flat board（
It can be cuboid horizontal frame）With at least four pillar being connected to below flat board, struts number is according to actual bearer needs
It is further added by, by setting parallels 2 below each pillar, ensures planar horizontal on support plate.
Adiabatic foam 3 is placed on support in plane, thickness 5mm-20mm, plays heat-blocking action.Adiabatic foam is positioned at branch
Between frame and stay-warm case, and a constant temperature keeping warmth space can be formed together with stay-warm case.
Stay-warm case is made up of some pieces of heat insulating boards, heat insulating board according to locus be divided into backboard 4, upper cover plate 5,
Side plate 6 and front apron 7,4 one pieces of backboard, are fixed on support 1, play a supportive role, and 5 one pieces of upper cover plate, pass through hinge with backboard 4
Connection, both sides side plate 6 respectively include two pieces of points of side plates：Fixation divides side plate and activity to divide side plate, the fixation of neighbouring backboard 4 divide side plate with
Backboard 4 is fixedly connected with support 1, and two pieces are that activity divides side plate in addition, and the activity of the same side divides side plate to divide side plate to pass through with fixation
Hinge connection, and activity divides side plate to be fixed on by latch 9 on support plate, front apron 7 is movable, with upper cover plate 5
Connected by front apron hinge 8, front apron is according to being actually needed and by being divided into some pieces baffle plate can be divided to form.Backboard above
4th, fixation divides side plate to be fixed thermal-insulating warming plate, and upper cover plate 5, front apron 7, activity divide side plate to be movable heat-insulation and heat-preservation
Plate.
Electric heating system includes cast aluminium heating plate 10 and hot plate 11, and cast aluminium heating plate 10 is placed on adiabatic foam 2, at least
One piece, according to actual heating surface (area) (HS needs, cast aluminium heating plate quantity can be increased.Hot plate 11 is the thick 45# stainless steels of 40-100mm,
It is heat-treated through nitriding.
The upper and lower surface of hot plate 11 by finishing, has higher flatness and finish, opened up in hot plate circumferentially-spaced
Several T-slots 12, play fixing mould, T-slot quantity and size and designed according to actual mould situation.
Atmospheric control includes cylinder 13, magnetic valve 14, electronic limiter 15, fixed stopping means 16, safe pole
17th, operation handle 19 and tracheae 20.Support is provided with safe pole supported hole 18.One end connecting bracket 1 of cylinder 13, the other end connect
Stay-warm case upper cover plate 5 is connect, each one of support plate both sides, cylinder 13 is connected by tracheae 20 with magnetic valve 14.Magnetic valve 14 draws
Go out operation handle 19, ejection and the retraction of cylinder 13 are controlled by operation handle 19, so as to drive stay-warm case folding.
Electronic limiter 15 forms linkage self-locking device with magnetic valve 14, and its effect is when stay-warm case reaches design
During maximum opening degree, magnetic valve closes automatically, and cylinder stops ejection.
Fixed postive stop baffle 16 is arranged on the backboard 4 of stay-warm case, its act on be when electronic limiter 15 fail from guarantor
Shield acts on, in case stay-warm case upper cover plate 5 is tumbled.
Safe one end of pole 17 is fixed on stay-warm case upper cover plate 5, and the other end is movable end, and safe pole movable end can support
18 at safe pole supported hole on support 1.Safe pole 17 be when stay-warm case need for a long time open when, prevent cylinder or
Tracheae gas leakage, cause the non-artificial closure of stay-warm case.
Temperature control system is controlled using Self-tuning System PDI, including temperature sensing first 21 and temp controlled meter 22, temperature sensing first 21
It is inserted in the temperature sensing head mounting hole 23 of drilling hot plate 11, temp controlled meter 22 is arranged in power distribution cabinet 24.
Due to the barrier insulation effect of heat insulating board, stay-warm case interior space temperature is consistent with the temperature of hot plate 11, and can
Control is in the range of design temperature ± 5 DEG C, and the mould of cast polyurethane is placed on hot plate, and the height of stay-warm case is more than mould
Highly, mould is under the shrouding of stay-warm case, realizes three-dimensional thermally equivalent, and urethane raw chemical reaction can be achieved same in mould
Step, so as to ensure that the quality of product, while stay-warm case internal-external heat exchange is few, avoids energy waste.The work of the stay-warm case
Dynamic side plate and front apron can manual unlocking any of which be one or more when not opening stay-warm case upper cover plate, is at utmost subtracting
On the premise of few heat losses, the response situation of cast polyurethane in mould is observed, the chemistry of urethane raw can be tracked in time
Extent of reaction.
The utility model forms an internal perseverance by adding some pieces of heat insulating boards in thermal station surrounding and top
The stay-warm case of temperature, the mould of the urethane raw thermally equivalent in stay-warm case is poured into a mould, mold portions temperature is consistent with thermal station,
Urethane raw chemical reaction synchronism is good, other after the raw material close to mold bottom, which has been reacted to, has mechanical strength
Each position is also provided with mechanical strength substantially, now product can depanning, shorten the reaction time of raw material in a mold, produce
Efficiency significantly improves.Thermal station area of the present utility model is big, it is possible to achieve the hot briquetting of large-scale casting type polyurethane product, adopts
With cylinder control stay-warm case folding, avoid mechanically operated complicated structure, manufacturing cost is cheap, simple to operate, stay-warm case by
Fixed and movable two kinds of heat insulating boards composition, not only firmly but also dexterous convenient, the guarantee heat of maximum possible is not lost in, greatly
Reduce energy waste greatly.
In such scheme, can also mechanical transmission-type or oil cylinder roof pressing type be used to realize opening for stay-warm case instead of cylinder roof pressing type
Close.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it is all contained within the scope of protection of the utility model.
Claims (9)
1. a kind of heating platform for cast polyurethane shaping, including support, adiabatic foam and electric heating system；Adiabatic foam
It is placed on support；Electric heating system includes cast aluminium heating plate and hot plate, and cast aluminium heating plate is placed on adiabatic foam, hot plate position
Above cast aluminium heating plate, it is characterized in that, include the stay-warm case in rack-mount face, cast aluminium heating plate and hot plate are respectively positioned on
In stay-warm case.
2. the heating platform according to claim 1 for cast polyurethane shaping, it is characterized in that, the support includes flat
Plate and the pillar being connected to below flat board；Stay-warm case is lower aperture, centre is empty rectangular parallelepiped structure, and stay-warm case includes being located at
The backboard at the back side, upper cover plate located above, the side plate positioned at two flank side surfaces and positioned at front apron above；Backboard is fixed on branch
On frame, upper cover plate is hinged backboard, and front apron is hinged upper cover plate；Adiabatic foam is between support and stay-warm case, backboard, upper lid
Plate, side plate, front apron and adiabatic foam can form a keeping warmth space.
3. the heating platform according to claim 2 for cast polyurethane shaping, it is characterized in that, include per avris plate
Two pieces of points of side plates：It is fixed to divide side plate and be hinged fixation to divide the activity of side plate to divide side plate；Fixation divides side plate and backboard and support plate
It is fixedly connected, activity divides side plate to be fixed on by latch on support plate, and front apron includes some pieces of point baffle plates of decile.
4. the heating platform according to claim 2 for cast polyurethane shaping, it is characterized in that, in addition to pneumatic control
System；Atmospheric control includes cylinder, magnetic valve, operation handle and tracheae；Cylinder one end connecting bracket, other end connection are protected
Warm cover upper cover plate；Support plate both sides are respectively provided with a cylinder, and cylinder is connected by tracheae with magnetic valve；Operation handle connection electricity
Magnet valve.
5. the heating platform according to claim 4 for cast polyurethane shaping, it is characterized in that, atmospheric control is also
Including electronic limiter, fixed stopping means, safe pole；Safe pole supported hole is provided with support；Electronic limiter with
Solenoid valve block is into linkage self-locking device, when stay-warm case reaches the maximum opening degree of design, magnetic valve can close automatically from
And cylinder is set to stop ejection；Fixed postive stop baffle is arranged on the backboard of stay-warm case, when electronic limiter fails, can prevent from protecting
Warm cover upper cover plate is tumbled；Safe pole one end is fixed on stay-warm case upper cover plate, the other end is movably connected in the safety support of support
At bar supported hole.
6. the heating platform according to claim 2 for cast polyurethane shaping, it is characterized in that, struts number is at least
Four, parallels is provided with below each pillar.
7. the heating platform according to claim 1 for cast polyurethane shaping, it is characterized in that, the thickness of adiabatic foam
For 5mm-20mm；At least one piece of cast aluminium heating plate, hot plate are the thick 45# stainless steels being heat-treated through nitriding of 40-100mm；In heat
Plate circumferentially-spaced offers several T-slots for being used for fixing mould.
8. the heating platform according to claim 1 for cast polyurethane shaping, it is characterized in that, in addition to temperature control
System, temperature control system include temperature sensing head and connect the temp controlled meter of temperature sensing head；Hot plate is drilling hot plate, and drilling is hot
Plate is provided with temperature sensing head mounting hole, and temperature sensing head is inserted in temperature sensing head mounting hole.
9. the heating platform according to claim 1 for cast polyurethane shaping, it is characterized in that, in addition to for realizing
The machine driven system or hydraulic control system of stay-warm case folding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720554733.9U CN206703381U (en) | 2017-05-18 | 2017-05-18 | A kind of heating platform for cast polyurethane shaping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720554733.9U CN206703381U (en) | 2017-05-18 | 2017-05-18 | A kind of heating platform for cast polyurethane shaping |
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| Publication Number | Publication Date |
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| CN206703381U true CN206703381U (en) | 2017-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720554733.9U Active CN206703381U (en) | 2017-05-18 | 2017-05-18 | A kind of heating platform for cast polyurethane shaping |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111844583A (en) * | 2020-07-28 | 2020-10-30 | 潘仲民 | Polyurethane sound insulation plate manufacturing and processing technology |
| CN113232227A (en) * | 2021-05-31 | 2021-08-10 | 青岛合润机械工程技术有限公司 | Linear reciprocating type heating device for door body foaming |
-
2017
- 2017-05-18 CN CN201720554733.9U patent/CN206703381U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111844583A (en) * | 2020-07-28 | 2020-10-30 | 潘仲民 | Polyurethane sound insulation plate manufacturing and processing technology |
| CN113232227A (en) * | 2021-05-31 | 2021-08-10 | 青岛合润机械工程技术有限公司 | Linear reciprocating type heating device for door body foaming |
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